<template>
  <div>
    <TypeNav/>
    <div class="main">
      <div class="py-container">
        <!--bread 面包屑位置-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <li class="with-x" v-if="searchParams.categoryName">{{ searchParams.categoryName }}<i
                @click="removeCategoryName">×</i>
            </li>
            <li class="with-x" v-if="searchParams.keyword">{{ searchParams.keyword }}<i
                @click="removeKeyword">×</i>
            </li>
            <li class="with-x" v-if="searchParams.trademark">{{ searchParams.trademark.split(':')[1] }}<i
                @click="removeTrademark">×</i>
            </li>
            <li class="with-x" v-for="(prop,index) in searchParams.props" :key="prop">{{ prop.split(':')[1] }}<i
                @click="removeProps(index)">×</i>
            </li>
          </ul>
        </div>

        <!--selector-->
        <!--      自定义  -->
        <SearchSelector @trademarkForSearch="trademarkForSearch" @attrForSearch="attrForSearch"/>

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li :class="{ active:searchParams.order.split(':')[0]==='1' }">
                  <a href="javascript:;" @click="changeSort('1')">综合
                    <i v-if="searchParams.order.split(':')[0]==='1'"
                       class="iconfont"
                       :class="{
                        iconup1:
                        searchParams.order.split(':')[1]==='asc',
                        icondown:
                        searchParams.order.split(':')[1]==='desc'
                    }">
                    </i>
                  </a>
                </li>
                <li :class="{ active:searchParams.order.split(':')[0]==='2' }">
                  <a href="javascript:;" @click="changeSort('2')">价格
                    <i v-if="searchParams.order.split(':')[0]==='2'"
                       class="iconfont"
                       :class="{
                          iconup1:
                            searchParams.order.split(':')[1]==='asc'
                          ,icondown:
                        searchParams.order.split(':')[1]==='desc'}">
                    </i>
                  </a>
                </li>
              </ul>
            </div>
          </div>
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="(goods,index) in goodsList " :key="goods.id">
                <div class="list-wrap">
                  <div class="p-img">
<!--                    <a href="item.html" target="_blank"><img :src="goods.defaultImg"/></a>-->
                    <router-link :to="'/detail/'+goods.id" ><img v-lazy="goods.defaultImg"/></router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ goods.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
<!--                    <a target="_blank" href="item.html"
                       title="促销信息，下单即赠送三个月CIBN视频会员卡！【小米电视新品4A 58 火爆预约中】">{{ goods.title }}
                    </a>-->
                    <router-link  :to="'/detail/'+goods.id"
                     >{{ goods.title }}
                    </router-link >
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>

                
                  <div class="operate">
                    <a href="success-cart.html" target="_blank" class="sui-btn btn-bordered btn-danger">加入购物车</a>
                    <a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
                  </div>
                </div>
              </li>

            </ul>
          </div>
<!--       goodsListInfo.total有可能是undefined 因为 getGoodsListInfo初始化值是一个空对象  -->
<!--    continueNum  连续数是奇数 最少为3个 一般为5个    -->
          <Pagination
          :currentPageNum="searchParams.pageNo"
          :total="goodsListInfo.total"
          :pageSize="searchParams.pageSize"
          :continueNum="5"
          @changeNo="changeNo"
          ></Pagination>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from './SearchSelector/SearchSelector'
import {mapGetters, mapState} from "vuex";

export default {
  name: 'Search',
  data() {
    return {
      //这个参数就是你搜索商品的初始化参数
      // 这个参数包含用户后期搜索的所有搜索条件,只是大部分开始是空的
      //后期用户需要按照跳进信息搜索,我们只需要修改这个参数内对应的搜索条件
      //重新调用函数发请求即可
      searchParams: {
        //这些参数代表用户的搜索条件,是动态的
        "category1Id": "",
        "category2Id": "",
        "category3Id": "",
        "categoryName": "",
        "keyword": "",
        "trademark": "",
        "props": [],
        //默认参数,默认给你第一页的参数 每页10条 默认是按照order排序的
        //排序包含排序标志和排序类型
        //排序标志 1综合排序 2价格排序
        //排序类型 desc降序 asc升序
        "order": "1:desc", //看接口文档
        "pageNo": 1, //当前第一页
        "pageSize": 10 //每一页多少条数据
      }
    }
  },
  components: {
    SearchSelector
  },
  beforeMount() {
    //按照三级分类和关键字进行搜索,本质就是在methods之前.把用户从首页跳转过来的时候
    //把三级分别和关键字进行解构出来 然后再赋值给this.searchParams
    /* let {categoryName,category1Id,category2Id,category3Id}=this.$route.query
     let {keyword}=this.$route.params
     let searchParams={
       ...this.searchParams,
       categoryName,
       category1Id,
       category2Id,
       category3Id,
       keyword
     }*/
    //1.此时收集到点击三级菜单query参数或者是home页搜索按钮的时候params参数,
    // 查看vue开发者工具 发现search组件下的data trademark:""空串 传递没有任何意义 需要把中一项删除
    //用到源码分析中的Object.keys(obj) 把obj对象的属性变成一个数组遍历出来 把这一项看下是否是空串 如果是则删除
    /* Object.keys(searchParams).forEach(item=>{
       if (searchParams[item]===""){
         delete searchParams[item]
       }
     })*/

    /* this.searchParams=searchParams*/
    this.handlerSearchParams()
  },
  mounted() {
    this.getGoodsListInfo()
  },
  methods: {
    getGoodsListInfo() {
      this.$store.dispatch('getGoodsListInfo', this.searchParams)
    },
    handlerSearchParams() {
      //按照三级分类和关键字进行搜索,本质就是在methods之前.把用户从首页跳转过来的时候
      //把三级分别和关键字进行解构出来 然后再赋值给this.searchParams
      let {categoryName, category1Id, category2Id, category3Id} = this.$route.query
      let {keyword} = this.$route.params
      let searchParams = {
        ...this.searchParams,
        categoryName,
        category1Id,
        category2Id,
        category3Id,
        keyword
      }
      //1.此时收集到点击三级菜单query参数或者是home页搜索按钮的时候params参数,
      // 查看vue开发者工具 发现search组件下的data trademark:""空串 传递没有任何意义 需要把中一项删除
      //用到源码分析中的Object.keys(obj) 把obj对象的属性变成一个数组遍历出来 把这一项看下是否是空串 如果是则删除
      Object.keys(searchParams).forEach(item => {
        if (searchParams[item] === "") {
          delete searchParams[item]
        }
      })

      this.searchParams = searchParams
    },
    //3.删除三级分类名称 面包屑需要删除 还要重新发请求
    removeCategoryName() {
      this.searchParams.categoryName = undefined
      //这样发请求 数据确实可以重新获取,但是这样发请求不会改变路径
      /* this.getGoodsListInfo()*/
      //修改参数  分页器默认是第一页
      this.searchParams.pageNo=1
      //不能直接修改原来的路由对象.而是重新跳转匹配新的路由对象
      /*this.$router.push({name: 'search', params: this.$route.params})*/
      this.$router.replace({name: 'search', params: this.$route.params})//在search页随便点击 不留痕迹
    },
    //清空关键字的输入框  删除关键，面包屑需要删除，还要重新发请求
    removeKeyword() {
      this.searchParams.keyword = undefined// 将关键字改为undefined不会传递了已删
      this.$bus.$emit('removeKeyword')//触发删除关键字的事件
      //修改参数  分页器默认是第一页
      this.searchParams.pageNo=1
      this.$router.replace({name:'search',query:this.$route.query})
    },
    //根据品牌搜索
    trademarkForSearch(tm) {
      this.searchParams.trademark = `${tm.tmId}:${tm.tmName}`
      //修改参数  分页器默认是第一页
      this.searchParams.pageNo=1
      this.getGoodsListInfo()
    },
    //删除品牌 需要重新发请求
    removeTrademark() {
      this.searchParams.trademark = undefined
      //修改参数  分页器默认是第一页
      this.searchParams.pageNo=1
      this.getGoodsListInfo()
    },
    //属性搜索 发送请求
    attrForSearch(attr, attrValue) {
      let prop = `${attr.attrId}:${attrValue}:${attr.attrName}`
      //some/every/forEach/reduce/filter/map
      //some 功能 判断一个数组中是否有和条件一样的项,有就是true,没有就false
      //参数和filter一样 参数是回调函数
      //返回值 布尔值 true或者false
      let isRepeat = this.searchParams.props.some((item) => {
        return item === prop
      })
      if (isRepeat) return
      this.searchParams.props.push(prop)
      this.getGoodsListInfo()//发送请求
    },
    // 属性搜索 删除面包屑
    removeProps(index) {
      this.searchParams.props.splice(index, 1)
      //修改参数  分页器默认是第一页
      this.searchParams.pageNo=1
      this.getGoodsListInfo()
    },
    //排序
    changeSort(sortFlag) {
      let originFlag = this.searchParams.order.split(':')[0]
      let originType = this.searchParams.order.split(':')[1]
      let newOrder=""
      if (sortFlag===originFlag){
        //原来的
        newOrder=`${originFlag}:${originType==='desc'?'asc':'desc'}`
      }else {
        //新值
        newOrder=`${sortFlag}:desc`
      }
      this.searchParams.order=newOrder
      //修改参数  分页器默认是第一页
      this.searchParams.pageNo=1
      this.getGoodsListInfo()

    },
    //处理分页器
    changeNo(page){
      this.searchParams.pageNo=page
      this.getGoodsListInfo()
    }
  },
  computed: {
    ...mapGetters(['goodsList']),
    ...mapState({
      goodsListInfo:state => state.search.goodsListInfo
    })
  },
  watch: {
    //2.此时从home也跳转已经完毕 当在search页 输入框输入关键字的时候 路由在变 但是网页不变
    // 因为mounted只执行一次 需要我们监视路由对象 只要路由对象一变,那么就需要重新发送请求一次
    $route: {
      handler(newVal, oldVal) {
        //处理路由携带的参数 有需要解构从home页跳转到search页携带的参数 发现上面的代码写重复了 需要封装函数 写到methods里面
        this.handlerSearchParams()//methods中封装的函数调用
        this.getGoodsListInfo()//发送请求
      }
    }
  }
}
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>